drivel vs gibberish

drivel

noun
  • Nonsense; senseless talk. 

verb
  • To use up or to be used up. 

  • To move or travel slowly. 

  • To be weak or foolish; to dote. 

  • To talk nonsense; to talk senselessly; to drool. 

gibberish

noun
  • Speech or writing that is unintelligible, incoherent or meaningless. 

  • Needlessly obscure or overly technical language. 

  • A language game, comparable to pig Latin, in which one inserts a nonsense syllable before the first vowel in each syllable of a word. 

adj
  • unintelligible, incoherent or meaningless 

How often have the words drivel and gibberish occurred in a corpus of books? (source: Google Ngram Viewer )